From 3641abc0c3e3ffaa1f6b5bf9b280b4217ea93e67 Mon Sep 17 00:00:00 2001
From: Domantas Jadenkus <djadenkus@gmail.com>
Date: Mon, 24 May 2021 22:01:26 +0300
Subject: [PATCH] add test that it does not create extraneous commas

---
 .../src/handlers/fill_match_arms.rs           | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/crates/ide_assists/src/handlers/fill_match_arms.rs b/crates/ide_assists/src/handlers/fill_match_arms.rs
index 711ef2393dc..3d2cd739aea 100644
--- a/crates/ide_assists/src/handlers/fill_match_arms.rs
+++ b/crates/ide_assists/src/handlers/fill_match_arms.rs
@@ -1093,6 +1093,26 @@ fn foo(t: bool) {
         true => 1 + 2,
         $0false => todo!(),
     }
+}"#,
+        );
+    }
+
+    #[test]
+    fn does_not_add_extra_comma() {
+        check_assist(
+            fill_match_arms,
+            r#"
+fn foo(t: bool) {
+    match $0t {
+        true => 1 + 2,
+    }
+}"#,
+            r#"
+fn foo(t: bool) {
+    match t {
+        true => 1 + 2,
+        $0false => todo!(),
+    }
 }"#,
         );
     }